Lv. 29
level 29
level 24
You do not have the National Dex.
Level 28
It is able to evolve at level 24 and up. So basically you can evolve it anytime you want after finishing the main story and having it at least level 24.
no where you have to trade it from a different game.
Safari Zone.
You can't you have to trad with Pokemon collesium or gold.
try going to Altering Cave. sometimes there are Houndour there.
you can find a houndor in the grass part b4 valor lakefront
you can't find it. you have to have 2 ,talk to oak.choose houndour.battle him. win.you get houndour.